/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.sandrini.sandelivery.dao;

import java.util.List;

import org.springframework.stereotype.Repository;
import org.springframework.util.Assert;

import com.sandrini.sandelivery.model.Product;

@Repository("productDao")
@SuppressWarnings("unchecked")
public class HibernateProductDao extends HibernateDao implements ProductDao {

    public Product getProduct(Long productId) {
        return (Product) getSession().get(Product.class, productId);
    }

    public Product findProduct(String name) {
        Assert.hasText(name);
        String query = "from Product p where p.name = :name";
        return (Product) getSession().createQuery(query).setString("name", name).uniqueResult();
    }

    public void createProduct(Product product) {
        getSession().save(product);
    }

    public List<Product> getAllProducts() {
        return getSession().createQuery("from Product order by name").list();
    }

    public void deleteProduct(Long productId) {
        Product product = getProduct(productId);
        if (product != null) {
            getSession().delete(product);
        }
    }

    public void updateProduct(Product product) {
        getSession().update(product);
    }

}
